Curated Video
DNA replication
An essential stage in cell division and reproduction, allowing genetic material to be copied into a new cell. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
Curated Video
Carpel
The female part of a flowering plant, consisting of the ovaries, ovules, a stalk-like tube called the style, and its sticky surface called the stigma. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using...
Curated Video
Deep Sea Angler Fish
The deep sea angler fish lives in deep, dark waters. How does it find food and attract a mate in the dark? Biology - Animal Kingdom - Learning Points. Deep sea anglerfish can swallow prey twice their size. Female anglerfish have...
Curated Video
What is a Fish?
Fish are by far the most diverse of all the vertebrate groups. Discover the shared characteristics that make a fish, a fish. Biology - Animal Kingdom - Learning Points. Fish are aquatic vertebrates. Jellyfish, starfish and other marine...
Curated Video
Sexual Selection
Learn how sexual selection governs mate choice, but also drives the evolution of species. Examples of physical and behavioural, intra and inter species sexual selection. Biology - Adaptation And Evolution - Learning Points. Selecting a...
Curated Video
Echidnas
An introduction to the echidna - one of the world's few egg-laying mammals. Find out what it looks like, where it lives, and what it eats. Biology - Animal Kingdom - Learning Points. Egg-laying mammals are called monotremes. The echidna...
Curated Video
Poison Arrow Frog
This brightly-coloured frog lays its eggs on the ground and must climb high into the rainforest canopy to transport its young to a watery nursery. How? Biology - Animal Kingdom - Learning Points. Poison arrow frogs have poisonous skin,...
Curated Video
Red-Eyed Tree Frog
Discover why the precarious choice of spawning location means this species' young must make a life-or-death decision as soon as they hatch. Biology - Animal Kingdom - Learning Points. The South American red-eyed tree frog lives in rivers...
Curated Video
Southern Reef Squid
Visit the shallow spawning grounds of the colour-changing reef squid. Biology - Animal Kingdom - Learning Points. The southern reef squid is one of around 800 species of cephalopod. Cephalopods are the most intelligent of all...
Curated Video
Duck-Billed Platypus
An introduction to the duck-billed platypus - one of the world's few egg-laying mammals. Find out what it looks like, where it lives, and what it eats. Biology - Animal Kingdom - Learning Points. The duck-billed platypus is native to...
Curated Video
Gliding Leaf Frog
Frogs like to jump, but meet the species that jumps incredible lengths between trees. Biology - Animal Kingdom - Learning Points. The gliding leaf frog lives in the rainforests of South America. The gliding leaf frog spends much of its...
Curated Video
Midwife Toads
A look at the nurturing techniques of the male midwife toad, who is charged with looking after the newborn eggs. Biology - Animal Kingdom - Learning Points. Iberian midwife toads mate from September to March each year. During mating...
Curated Video
Albatross
Did you know that albatrosses spend most of their lives at sea? Biology - Animal Kingdom - Learning Points. Some species of albatross have been known to fly 1000 kilometres in a single day. Albatrosses spend most of their lives at sea,...
Curated Video
Marbled Salamanders
Why the female marbled salamander must abandon her eggs in order to survive. Biology - Animal Kingdom - Learning Points. Unlike most salamanders, the marbled salamander reproduces entirely on land. The male drops sperm onto the ground...
Curated Video
Splash Tetras
Discover how splash tetras earned their name from the unusual way they lay their eggs. Biology - Animal Kingdom - Learning Points. Splash tetras lay their eggs on leaves. Male splash tetras find well-protected leaves by leaping out of...
Curated Video
Bioaccumulation in Food Chains
Investigating why peregrine falcon populations are threatened by pollution from industry thousands of kilometres away. Biology - Ecosystems - Learning Points. The peregrine falcon lives remotely but is affected by man-made chemicals....
Curated Video
Invading Plant Species
Ecosystems are finely balanced environments. The introduction of 'invader' plant species can be disastrous for biodiversity. Biology - Ecosystems - Learning Points. Protecting diverse delicate habitats from invading species is difficult....
Curated Video
Asexual Reproduction in Plants
Some plants don't need both a male and female to reproduce - they can do it alone. Which plants can do this and how do they manage it? Biology - Plants - Learning Points. Plants use a variety of methods to reproduce. Methods include...
Curated Video
Adaptation - Survival Traits
Examples of physical and behavioural adaptations which allow plants and animals to survive in some of the most challenging habitats on Earth. Biology - Adaptation And Evolution - Learning Points. Animals and plants survive in diverse...
Curated Video
Natural Selection - Survival of the Fittest
Darwin's theory of Natural Selection reveals an intense struggle for existence: a constant fight between individuals, species, and their physical environment, where only the fittest survive. Biology - Adaptation And Evolution - Learning...
Curated Video
Photosynthesis: How Plants Convert Sunlight into Energy
Journey into the chloroplast, where photosynthesis takes place, to learn how plants convert sunlight into usable chemical energy - one of the most vital processes on Earth. Biology - Plants - Learning Points. Leaves are small...
Curated Video
Origin of Species
How are new species created? An insight into the key evolutionary processes, played out over many generations, which lead to speciation. Biology - Adaptation And Evolution - Learning Points. We all originate from a single cell, so why...
Curated Video
Parts of the Plant: Flowers
How do plants reproduce? How is pollen dispersed and how does it develop into a seed? Discover the vital role flowers play in plant reproduction. Biology - Plants - Learning Points. Flowers are the reproductive part of most plants. The...
Curated Video
Sexual Reproduction in Plants
Discover the parts of plants necessary for reproduction, and the methods by which pollen is carried between flowers. Biology - Plants - Learning Points. Plants reproduce in various ways. Sexual reproduction occurs using male and female...